Evidence for a 6.5-day minimum exoerythrocytic cycle for Plasmodium falciparum in humans and confirmation that immunization with a synthetic peptide representative of a region of the circumsporozoite protein retards infectionJames R. Murphy, D. F. Clyde, Shahida Baqar et al.|Journal of Clinical Microbiology|1989Cited by 37
Human studies with synthetic peptide sporozoite vaccine (NANP)3-TT and immunization with irradiated sporozoites.D A Herrington, R S Nussenzweig, D. F. Clyde et al.|PubMed|1990Cited by 27